. >> reporter: the dead brother was tamerlan tsarnaev, 26-year-old. the brother on the run, dzhokhar tsarnaev. >> we had a term for these. they are called bomb chuckers. we have a real life no kidding bomb chucker on the loose. >> reporter: in and around boston, every day life ground to a halt. police departments made emergency calls to residents. >> stay indoors until further instructions. >> reporter: this is what watertown, massachusetts neighborhoods look like. police on the street. helicopters overhead. nearly a million people have been simply told to stay indoors. after an anxiety filled week, it's a day like nothing boston has ever experienced. kerry sanders juan on tv when the police told them to take cover. >> the officer said get down. >> reporter: the uncle pleaded with the brother. >> if you're alive, turnier self in and ask for forgiveness from the victims, from the injured. >> reporter: just as dusk was falling tonight, another break in the manhunt and for the second night in a row, a suburban boston neighborhood was on pins and needles,